**MANTECH** seeks a motivated, career and customer-oriented **Senior Cybersecurity Engineer** to join our team working in the **Washington D.C. Navy Yard.** This is a **hybrid** position requiring at least 3 days per week on site. This role supports mission-critical systems and infrastructure, combining software and hardware knowledge to innovate and optimize performance. You will work alongside interdisciplinary teams to support engineering solutions that serve our national security objectives. **Responsibilities include but are not limited to:** + Reviewing testing and validation to ensure system functionality and compliance with security standards + Developing technical documentation including schematics, specifications, and system architecture diagrams + Participating in engineering reviews, audits, and program milestone meetings + Assist the Participating Acquisition Resource Manager (PARMs) in getting Air Transfer Office (ATO) for aircraft carriers systems + Work with SEA 03 concerning Cybersecurity of Aircraft Carrier systems + Provide technical support in system engineering design, network architecture and system security development to support platform-based network integration, information technology and communications for cybersecurity in accordance with NIST Framework, JCIDS System Survivability, DoD 8500 series, DoD Cybersecurity Test & Evaluation (T&E), Cyber Threat Intelligence, Navy Cybersafe, Navy Information Assurance /Technical Authority Board standards and NAVSEA Enclave policy + Support efforts in cybersecurity for the definition of system security requirements, risk assessments, systems analysis, systems design, cybersecurity T&E, assessment and authorization + Provide cybersecurity Risk Management Framework (RMF) support + Serve as a subject matter expert in the validation of the implementation of cybersecurity requirements for device, sub-system, system, enclave and platform + Recommend systems hardening solutions to increase operational survivability and resilience to operational risk to the mission for device, sub-system, system, enclave and platform + Provide engineering recommendations and support the integration of T&E into the identification and development of device, sub-system, system, enclave and platform level cybersecurity specification and requirements for implementation into the ship design + Support the phasing and fielding of cybersecurity for existing systems to future needs and trends through planned integration of the necessary cyber related architectural features and tools to protect the confidentiality, integrity and availability of the systems, networks platform mission and operation **Minimum Qualifications:** + Bachelor’s degree in Computer Science, Cybersecurity, Network Security, Information Technology, Electrical Engineering, or Mathematics with concentration in Computer Science. + 15+ years of professional experience in computer design, software development or computer network security + Experience supporting U.S. Navy programs or operations + Experience in Cybersecurity/Cyber Defense engineering and management **Preferred Qualifications:** + 20+ years of experience in Cyber Security, Cyber Defense engineering, and Management + Master’s degree in Computer Science, Cybersecurity, or Computer Engineering + One of the following certifications: IAT Level III Cert: CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP, or an IASAE Level III Cert: CISSP-ISSAP, CISSP-ISSEP, or CCSP **Clearance Requirements:** + Must be a U.S. Citizen and possess an active Top Secret clearance **Physical Requirements:** + The person in this position must be able to remain in a stationary position 90% of the time. + Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.